: Northstar Engines and System Technical Discussion



Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 [28] 29 30 31 32 33

  1. Strange Things Happing
  2. Gas pedal click
  3. Starting to get rough idle
  4. Fixin' to pull the engine
  5. Head Gasket Leak : NO OVERHEAT with coolant supplement
  6. TPS replacement problem
  7. Fuel Leak
  8. Northstar transplant and electronics
  9. Best way to prevent an oil leak on N*?
  10. 180F or 195F Thermostat for 94 N*?
  11. Misfiring and Service Engine light
  12. Coils / Intermittent "missing" on my 99 STS
  13. Hey Hotrodelectric
  14. Northstar Expectancy
  15. Code P094 Shift A Solenoid Speed Sensor Where and what is it 94 Concours?
  16. Ac
  17. Apparent Coolant Leak Below Water Pump
  18. What makes the Headgaskets go so often on early N*s?
  19. Engine Service Soon light on but no codes??? 94 Concours
  20. Perfect exahust flow for 1999 STS?
  21. 94 N* Eldo - Thought was Head Gasket! WAS NOT! My experience!
  22. oil pressure or electrical problems?
  23. Starting Problem
  24. Coolant leak 94 Concours
  25. Bar's Leaks, block seal: Head Gasket Repair ???
  26. Starter problem with '97 STS
  27. Caddy Northstar LMP 4.0 turbo
  28. I can't drive 55 (very far)
  29. Coolant Spuing
  30. Block Drain Plug- Coolant 4.6L
  31. Vacuum Harness????
  32. Piston Slapping site
  33. Help Again Bbobynski !! - Tranny Codes
  34. ? on buying a northstar engine
  35. Improve gas mileage with water??? Stupid or Scientific?
  36. Major head gasket problem
  37. 4.6 liters 300hp... 2.0 liters 200hp
  38. OBD II computer
  39. a question
  40. Oxytane?
  41. What Engines Can I Use???
  42. Oil getting sucked in through PCV Valve: Old Mechanic's Tale?!
  43. Fuel Rail Leak
  44. Rotten Egg
  45. '95 eldo TC fuel smell in cabin & hard-start
  46. can i use marvel mystery oil?
  47. Pros/cons Of Waterwetter For Northstar
  48. Over Heat Feature
  49. Torque Convertor Viscous?
  50. Can't find IP, TC, PZ, RS code info
  51. P056 easy fix
  52. Northstar misfire and backfire
  53. Throttle body size question, and HEADERS-where can I find some?????
  54. 93-94 wrist pin problems????
  55. Brand New Northstar Engine For $2500
  56. gunning cadillacs...was it NOT worth it? :-\
  57. Intake Assembly
  58. can 94 interchange with one another.
  59. Back fire in the induction system
  60. Caddy won't go into Overdrive Any ideas?
  61. Fastchip vs Superchip ...
  62. Coolant temp 250 is this too high? No warnings and fans on low?
  63. 0-60 specs: 95' N* impressive
  64. Swaping A From Y To 9
  65. need help
  66. 2000 Dts 60k Service?!?!?
  67. Revised Emissions Woes
  68. Any GM/Cadillac certified mechanics on board? PLEASE HELP
  69. Chip for Eldo 95 LE
  70. 97 SLS Stalls Only On Hot Days
  71. Throttle body cleaning question
  72. Oil Pan Gasket Change
  73. Who agrees that the Northstar is due for an overhaul by Cadillac?
  74. High Speed fan switch not working/working well
  75. 94 concours has no warning info messages!!!!
  76. Reasons for a/c compressor inop ?
  77. Q. for anyone who knows re: FWD N* - Why Transverse?
  78. 93 seville driving on its own
  79. engine temp?
  80. Down To The Wire: last minute thoughts please
  81. where are the 25 horses
  82. North * reliability?
  83. "Induction Performance Service"?
  84. How do I know if I need the computer updated?
  85. Oil Pressure Drop
  86. ? for those with aftermarket intakes
  87. Coolant Overflow
  88. gunning cadillacs...is it worth it?
  89. 96 Eldorado heating up...
  90. 1994 Eldorado 4.6L Tapping Noise
  91. Cooling Temps.
  92. Hard shift outta 1st
  93. "Weeping" Head Gasket
  94. Obd1
  95. Help With Code 39 Tcc Off
  96. Idle Problems
  97. squeak on 97 deville
  98. crate 2000 Northstar in a 59 Chevy Suburban
  99. cold start/warm start
  100. 1994 SLS 4.6 Oil Pressure Switch Woes
  101. Colours
  102. Odd Tune Up Question
  103. P0741 TCC stuck off
  104. Pre 2000 Northstars
  105. ShadowLvr400
  106. Replace transaxle seals or not?
  107. Vacuum line routing?
  108. Bobynski!
  109. need rebuilt short block-Northstar
  110. aftermarket CPU ???
  111. 2001 deville go fast parts ???
  112. EGR Pintle Stuck????
  113. High Temps?
  114. Gear Shift Position Indicator 1994 STS
  115. Misfire/hesitation
  116. Race day mods?
  117. 97 Sedan Deville oil change
  118. motor idles eratically at start and then dies
  119. Low Oil Pressure 1994 SLS 4.6 144k
  120. Right or left, Help Please!!!
  121. Need Code Info
  122. 1996 sts need help won't start
  123. Engine crud @ head gasket repair
  124. One fan or two?
  125. Failed emissions....plugs and wires...?
  126. General Questoin
  127. Overheating --- Still!!!!!!!!
  128. What are these trouble codes? Help!
  129. AAARRRGHHH...Where's the #$@#) switch?!?!
  130. Help! Dealer wants $$ for recall fuel rail!
  131. Very Long, EBTCM
  132. Northstar Maintenance -Tune Up
  133. K&N filters
  134. Check engine soon ! Why ?
  135. Waterpump reliability
  136. No one can figure it out!!! Help!!!
  137. In need of expertise
  138. SC44 and SC55
  139. why are the northstar engines always catching on fire?
  140. where can i find a 4.6 northstar engine for a 94 eldorado touring coupe. vin 9
  141. 4.9L NorthStar Performance Upgrades???
  142. Need new/rebuilt '96 Seville engine
  143. 100K warranty
  144. Noise from PS pump.
  145. Wanted!! '00+ rear tranny mount
  146. PO 441 error
  147. Help!!
  148. Rubber gone in the top motor mounts
  149. Stop Engine Low oil pressure
  150. Help with fixing a broken shift solenoid
  151. Tranny detent cable question
  152. po29????
  153. '96 STS Engine Stalling - Possible Electrical Problem?
  154. It's time to tear into her!!
  155. Codes PC0300, PC1139, PZ2719
  156. Crack my Block!!!!!!
  157. "Y" code vs. "9" Code
  158. Northstar 97 sls was hard 2 start--now no start
  159. 1997 Seville STS - Oil Leak Problems?
  160. 130k gaskets vs. 88k transplant
  161. Unlimited funds....almost
  162. Service Emissions System
  163. air plenum and coolant...
  164. error codes p0113 &503
  165. Computer codes and more help wanted
  166. coolant and A/C fans broken blades & mounting arms
  167. 1996 Sedan Deville Knock Sensor
  168. Newbie needs help
  169. frozen serpentine belt tensioner
  170. New Northstar, Unleaded or Premium?
  171. Want to buy northstar coils...
  172. Northstar indicates overheat
  173. BBOB - North* Oil Usage Comment
  174. Bad Cylinder?? Low compression?? Need help.
  175. Steam Engine, Now What?
  176. Zero Oil Pressure!! HELP!!
  177. INtake Manifold
  178. N*, Gas drowning my cylinder, getting smoke
  179. 2 Trans oil purge questions...or more?
  180. Erratic Throttle
  181. Strange Readings 1994 Deville Concourse N*
  182. What would a gas coating on a plug mean?
  183. BBOB - thermostat?
  184. Steam from Tail Pipe?
  185. exhaust questions
  186. water pump tool
  187. Cluster Question - Low Oil Pressure
  188. Limp home mode?
  189. Flowmasters?
  190. Flexplate to Torque converter - loctite??
  191. "Check Oil Level" message question
  192. hole in aluminum Radiator - help wanted
  193. Help Eldo Completely Dead But Batt.has Voltage
  194. Rough Idle...Sluggish Acceleration....
  195. Trouble codes
  196. P0741 - TCC System Stuck Off ???
  197. Clueless N* owners with 4 codes
  198. A P059 code?
  199. Longevity of the N* timing chain nylon tensioner pads ?
  200. What type of Power Steering fluid to use in 93 N* Eldo ?
  201. Limp Home Feature?
  202. Last pressure test update - hopefully!!!
  203. How important (really) is an oil cooler?
  204. Cascading multi-module failure-BBOB?
  205. Hesitation when a/c is on?
  206. PCV valve location 2003 Deville
  207. 4T80E Trans neutraling out in Drive/OD
  208. P 028 code AND overheating?
  209. 96 Deville Waterpump belt removal
  210. Is my car misfiring?
  211. Misfire Woes
  212. Another pressure test update
  213. Can dex-cool replace green anti-f?
  214. more head gasket headaches
  215. Egr
  216. More pressure test questions
  217. Nice job on headbolt quality control
  218. 4.0 to 4.6 swap ?
  219. BBOB - did the press test/overheating/????
  220. Timesert kit needed
  221. Tapping Lifters at start
  222. Northstar Gasket Replacement $?
  223. coil packs on 93 ETC?
  224. Eating Oil.......
  225. Eror code p0153
  226. ac only blows worm air
  227. air intake pro's & cons
  228. Brand new N*...
  229. 1997 Seville - Tranny
  230. Head gasket progress/ performance?
  231. Bbob - Tranny Oil Cooler Line Quest.
  232. Eldo idle and low speed running ODD- HELP!
  233. 93 Northstar using 5w-30 ?
  234. Cleaning Engine
  235. when do the fans come on?
  236. Fun with lifters
  237. How badly stripped was your block?
  238. 96 cadillac deville troubles !!!!
  239. Starting Problems- 95 SLS
  240. Fuel Consumption-Tornado Fuel Saver
  241. my s/c 98 sts wow
  242. MSD DIS-4 and/or Interface modules??
  243. Any info on shift improvement kit for 4T80E?
  244. Need a time-sert kit!
  245. Intermittent VSS!!
  246. Lots of exhaust smoke-95 SLS
  247. Who actually designed the Northstar what's his name?
  248. Do N* heads crack EVER?
  249. New Exhaust
  250. Head Studs?